[INFO] updating cached repository https://github.com/jeehoonkang/sparc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d846564c3e152ee6a5bb5fbfe8cbc0cf9693d3c
[INFO] checking jeehoonkang/sparc against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeehoonkang%2Fsparc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeehoonkang/sparc on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeehoonkang/sparc
[INFO] finished tweaking git repo https://github.com/jeehoonkang/sparc
[INFO] tweaked toml for git repo https://github.com/jeehoonkang/sparc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jeehoonkang/sparc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ad927ba7cfa90bc3c41dc3a79fe44f1982824a2b332361bce9a05c8b9d0bc4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ad927ba7cfa90bc3c41dc3a79fe44f1982824a2b332361bce9a05c8b9d0bc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ad927ba7cfa90bc3c41dc3a79fe44f1982824a2b332361bce9a05c8b9d0bc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad927ba7cfa90bc3c41dc3a79fe44f1982824a2b332361bce9a05c8b9d0bc4d", kill_on_drop: false }`
[INFO] [stdout] 4ad927ba7cfa90bc3c41dc3a79fe44f1982824a2b332361bce9a05c8b9d0bc4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11315a5ccb0268eabe6508563ebe91672c61717e4923faeef95e487dca0a836e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11315a5ccb0268eabe6508563ebe91672c61717e4923faeef95e487dca0a836e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking rustyline v3.0.0
[INFO] [stdout] error[E0283]: type annotations needed for `std::result::Result<std::string::String, error::ReadlineError>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/lib.rs:655:43
[INFO] [stdout]     |
[INFO] [stdout] 652 |     let user_input = readline_edit(prompt, initial, editor, &original_mode);
[INFO] [stdout]     |         ---------- consider giving `user_input` the explicit type `std::result::Result<std::string::String, error::ReadlineError>`, where the type parameter `std::string::String` is specified
[INFO] [stdout] ...
[INFO] [stdout] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stdout]     |                                           ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `std::result::Result<std::string::String, std::io::Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/history.rs:151:28
[INFO] [stdout]     |
[INFO] [stdout] 150 |         for line in rdr.lines() {
[INFO] [stdout]     |                     ----------- the element type for this iterator is not specified
[INFO] [stdout] 151 |             self.add(line?.as_ref()); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                            ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustyline`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "11315a5ccb0268eabe6508563ebe91672c61717e4923faeef95e487dca0a836e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11315a5ccb0268eabe6508563ebe91672c61717e4923faeef95e487dca0a836e", kill_on_drop: false }`
[INFO] [stdout] 11315a5ccb0268eabe6508563ebe91672c61717e4923faeef95e487dca0a836e